Air purifier



FIG. 1 is an isometric view from the top right of the air purifier.

FIG. 2 is an isometric view from the bottom left of the air purifier.

FIG. 3 is an elevation view from the front of the air purifier.

FIG. 4 is an elevation view from the back of the air purifier.

FIG. 5 is an elevation view from the right side of the air purifier.

FIG. 6 is an elevation view from the left side of the air purifier.

FIG. 7 is a plan view from the top of the air purifier.

FIG. 8 is a plan view from the bottom of the air purifier; and,

FIG. 9 is a cross sectional elevation view of the air purifier for illustration purposes.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM We claim the ornamental design for an air purifier, as shown and described. 